Claudius Ptolemy
c. 100 – 170 · 70 years · Alexandria · Africa
Author of the Almagest, whose geocentric model dominated astronomy for 1,400 years, and of the Geography listing thousands of coordinates.
Wikipedia (Russian) · Wikipedia (English) · 2nd century
Portrait: Public domain · Wikimedia Commons
Contemporaries around the world
Europe
- Marcus Aurelius — Roman emperor and Stoic philosopher, 21 years younger
- Galen — physician and anatomist, 29 years younger
Asia
- Zhang Heng — astronomer, inventor of the seismoscope, 22 years older
- Ban Zhao — historian and writer, 55 years older
- Cao Cao — warlord of the Three Kingdoms era, 55 years younger
The world in their lifetime
- c. 100 The rise of Aksum — aged 0, Africa
- 105 Cai Lun and the invention of paper — aged 5, Asia
- 165–180 Antonine Plague — aged 65, Europe